<!-- <template>      
    <div class="count">
       <h2>当前求和为：{{ countStore.sum }}</h2>
       <h3>欢迎来到:{{ countStore.school }},坐落于{{ countStore.address }}</h3>
       <select v-model.number="n">
          <option value="1">1</option>
          <option value="2">2</option>
          <option value="3">3</option>
       </select>
       <button @click="add">加</button>
       <button @click="minus">减</button>
    </div>
</template>

<script lang="ts"  setup name="Count">  //脚本标签
   import {ref} from 'vue'
   import {useCountStore} from '@/store/count'

   const countStore = useCountStore()

   let n = ref(1)//用户选择的数据

   function add(){
    //第一种修改方式
    // countStore.sum += 1

    //第二种修改方式
    // countStore.$patch({
    //   sum:888,
    //   school:'尚硅谷',
    //   address:'北京'
    // })

    //第三种
    countStore.increment(n.value)
   }
   function minus(){
    
   }

</script>

<style>
  .count {
    background-color: skyblue;
    padding: 10px;
    border-radius:10px;
    box-shadow: 0 0 10px;
  }
  select,button {
    margin: 0 5px;
    height: 25px;
  }
</style> -->